Apparatus for printing tubular articles.



1 J. M. JOHNSON. APPARATUS FOR PRINTING TUBULAR ARTICLES.

APPLICATION FILED JULY 12,1906.

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JAMES M. JOHNSON, OF NEW BRIGHTON,

PENNSYLVANIA, ASSIGNOR TO STANDARD SPECIALTY & TUBE COMPANY OF NEWBRIGHTON, PENNSYLVANIA, A CORPORA- TION OF NEW JERSEY.

APPARATUS FDR PRINTING TUBULAR ARTICLES. I

Specification of Letters Patent.

Patented Sept. 29, 1908,

Application filed July l2, 1906. Berial No. 325,766.

7 '0 all whom it may concern:

Be it known that I, JAMES M. J onNsoN, of New Brighton, Beaver county,Pennsylvania, have invented a new and useful Apparatus for PrintingTubular Articles, of which the following is a full, clear, and exactdescription, reference being had to the accompanying drawings, formingpart of this specification, in which- Figure 1 is a plan view of myimproved machine, and Fig. 2 is a side elevation.

My lnvcntion isdesigned to provide for i the printing of tubes,especially collapsible tubes used for containing liquid paste, cement,etc, and it enables such devices to be printed either in a single coloror in several colors rapidly and with great accuracy.

The machine shown in the accompanying drawings is provided with a holder2 for the block or type form having the design which is to be printed onthe tubular article, the block or type being-held removably by screws 3or otherwise. i

4 is the ink plate, which is preferably of circular form, and isrotatably mounted on a central axis 5, on which it is adapted to berotated step by step by means of a ratchet 6 and pawl 7, which pawl ismounted on a carriage 8 carrying the ink roller 9 and traveling insuitable slides 10. The carriage is reciprocated by a lever 11 which maybe operated by foot or otherwise. lever 11 is moved soasto advance thecarriage, the inking roller 9 moves over the plate, receives its surfacecoating of ink, and y then advances over the type or block which it inkspreparatory to printing, and when the carriage is at the end of itsforward motion the p'awl enga es the ratchet and turns the plate asingle step. The roller and carriage may be retracted by a spring or bya reverse motion of the lever 11.

12 is a mandrel on which the tube to be.

printed is set. This mandrel has guiding:

of the operator so as to move the mandrel When the' type or block. Powermeans may, however, be employed for this operation. The racks l4constitute part of a frame 16, pivoted at 17 and is adapted to be raisedand lowered by means of a cam 18 which is rotated by a shaft 19 having asuitable handle 20. On rotating this shaft the cam is turned so as toraise the rear end of the frame so that when the mandrel is retracted itwill be l'fted above the level of the type and will nol receive anyimpression on itsbackward motion. The mandrel has a detent or registering tooth 21 which notches or marks the tube impression.

In the operation of the device, the opera tor places a tube upon themandrel 12, then advances the carriage with the roller 9 to receive inkfrom the plate 4: and to ink the sleeve 15 and pushing it'rearwardly onthe rack the mandrel is caused to travel and rotate over the type orblock andto produce an impression on the tube. The rearend of the rackframe is thenv elevated by rotating is again drawn forward free of thety e. The tul es thus printed can be placed aside and allowed to dry,and another type or printing block substituted, together with an inkingroller and platen containing ink of a different color and a secondregistering immay be printed; or if desired, the device can be used forprinting only a single color.

fled in the claims, many changes may .be made in theform and arrangementof the parts. Thus, I do not wish to limit myself to the printing of asingle color at one impression, since more than one color may be backand forth'along-the rack and over the when the latter is inserted on themandrel, so

case the tooth 21 would simply register the type or block; and then bygrasping the the cam, and the mandrel carrying the tubepression can beallowed on the tubes. In this manner any number of colors and designsWithin the scope of my invention as speciprinted Without removing thetube from the mandrel by adding to the number of forms; nor do I limitmyself to the particular means shown and described for producingrelative movement of the mandrel and form. W hat I claim is 1 1. Inapparatus for printing tubes, at mandrel, a printing form, the mandrelprojecting laterally over the form from one side thereof and having afree end over which the tubescan be slipped, means for reciprocating themandrel back and forth over the form, a tilting frame located to oneside of the printing form in which the mandrel is mounted and means fortilting the frame, substantially as described.

2. In apparatus for printing tubes, a mandrel, a stationary printingform, the mandrel projecting laterally over the form and having a freeend over which the tubes to be printed can be slipped, a tilting framelocated to one side of the printing form and having means for guidingthe mandrel for carrying the mandrel and upon which it is arranged toreciprocate, and means for retating the mandrel as it is reciprocated,substantially as described.

3. In apparatus for printing tubes, a stationary printing form, a framehaving a pivotal support at one side of'the printing form, a mandrelrotatably and movably supported and guided on said frame, and having afree end portion projecting over the form, and means for raising andlowering the frame as the mandrel is moved thereon; substantially asdescribed.

4. In apparatus for printing tubes, a sta-- tionary printing form, meansfor inking the same, a rotary mandrel located to one side of theprinting form, and arranged to project over the form and having a freeend over which the tubes to be printed can. he slipped, means toreciprocate the mandrel over said form, a frame on which the mandrel isrotatably mounted, said frame being located at one side of the printingform, and means for raising the frame to lift the mandrel above thelevel of the form; substantially as described.

5. In apparatus for printing tubes, a stationary form, a mandrelarranged to project over said form from one side and having a free endover which the tubes to be printed can he slipped to reciprocate oversaid form, means for rotating the mandrel as it is reciprocated, aninking roller also arranged to reciprocate over the form, an inkingplate in the path of movement of said roller, and a pawl-and-ratchetmechanism actuated by the movement of said roller for intermittentlyrotating the plate, substantially as described.

(3. In apparatus for printing tubes, a stationary type form, a mandrelhaving a shaft provided with two pinions, and a pivoted frame havingparallel, toothed racks engaged by the pinions on the mandrel shaft,substantially as described.

7 In apparatus for printing tubes, a stationary printing form, a mandrelprojecting over the form from one side and having a free end, a pivotedsupporting frame for the mandrel located to one side of the printingform, andupon which the mandrel is arranged to be longitudinallyreciprocatcd, and parallel guiding means on said frame for the mandrel;substantially as described.

8. In apparatus for printing tubes, :1 stationary printing form, amandrel projecting over the form from one side and having a free end, apivoted supporting frame for the mandrel located to one side of theprinting form, and upon which the mandrel is arranged to belongitudinally reciprocated, and parallel guiding means on said framefor the mandrel, said mandrel having a handle portion between theparallel guiding means; substantially as described.

In testimony whereof, I have hereunto set my hand.

J AlilES M. JOHNSON. vl itnesses DAvln J. lvlGCOMB, R. L. Kmuxnrr.

